Greenwater River at Greenwater, WA

USGS Site No: 12097500 • Greenwater River • King County, WA

Greenwater River at Greenwater, WA on the Greenwater River is currently at 159 cfs (Low — 11th percentile for this date) . Gage height: 3.18 ft.

Reading from

159
CFS Discharge
3.18
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 149
25th Low threshold 257 Today: 159 cfs
50th (Median) Normal (median) 335
75th High threshold 484
95th Very High threshold 871

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

1.4k 686 0 cfs Apr 1 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 156 3.17
May 27, 2026 163 3.20
May 26, 2026 171 3.24
May 25, 2026 175 3.26
May 24, 2026 182 3.29
May 23, 2026 191 3.33
May 22, 2026 200 3.37
May 21, 2026 210 3.41
May 20, 2026 221 3.46
May 19, 2026 231 3.50
May 18, 2026 243 3.55
May 17, 2026 251 3.58
May 16, 2026 248 3.57
May 15, 2026 230 3.49
Apr 20, 2026 291 3.73
Apr 19, 2026 285 3.71
Apr 18, 2026 284 3.71
Apr 17, 2026 289 3.73
Apr 16, 2026 308 3.79
Apr 15, 2026 324 3.85
Apr 14, 2026 319 3.83
Apr 13, 2026 327 3.86
Apr 12, 2026 329 3.86
Apr 11, 2026 335 3.88
Apr 10, 2026 339 3.89
Apr 5, 2026 306 3.78
Apr 4, 2026 297 3.75
Apr 3, 2026 311 3.80
Apr 2, 2026 337 3.89
Apr 1, 2026 353 3.94

Station Information

USGS Site No
12097500
State
WA
County
King County
Coordinates
47.1534, -121.6357
Drainage Area
74 mi²
Datum (ft)
1,724.8
HUC Code
17110014
View on USGS NWIS →

Recent Extremes

Max discharge
3,220 cfs
Dec 10, 2025
Min discharge
25 cfs
Oct 8, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related